If \(AD\) is \(6,\) and \(ADC\) is a right angle, what is the area of the triangular region \(ABC?\)
(1) Angle \(ABD = 60°\)
(2) \(AC = 12\)
[spoiler]OA=C[/spoiler]
Source: Manhattan GMAT
If \(AD\) is \(6,\) and \(ADC\) is a right angle, what is the area of the triangular region \(ABC?\)
(1) Angle \(ABD = 60°\)
(2) \(AC = 12\)
[spoiler]OA=C[/spoiler]
Source: Manhattan GMAT
